/* StatementKit: one stylesheet. Tokens on :root, dark mode via prefers-color-scheme. No web fonts. */
:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f3f6;
  --text: #16202a;
  --muted: #4a5866;
  --border: #d5dce3;
  --primary: #0b6b5f;
  --primary-ink: #ffffff;
  --primary-soft: #e3f3f0;
  --link: #075e8c;
  --ok: #17663a;
  --ok-soft: #e4f4ea;
  --warn: #8a5300;
  --warn-soft: #fff4dc;
  --bad: #b3261e;
  --bad-soft: #fdeceb;
  --focus: #1d63d8;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --maxw: 1080px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --surface: #171e26;
    --surface-2: #1e2731;
    --text: #e8edf2;
    --muted: #a9b6c3;
    --border: #33404d;
    --primary: #4fc3b0;
    --primary-ink: #06221d;
    --primary-soft: #12302b;
    --link: #7cc4f0;
    --ok: #6fd69a;
    --ok-soft: #13301f;
    --warn: #f3c068;
    --warn-soft: #33270f;
    --bad: #ff8a80;
    --bad-soft: #3a1714;
    --focus: #8ab4ff;
    --shadow: none;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  overflow-wrap: break-word;
}
img, svg { max-width: 100%; }
a { color: var(--link); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.25; margin: 1.4em 0 0.5em; }
h1 { font-size: clamp(1.6rem, 4.5vw, 2.3rem); margin-top: 0.6em; }
h2 { font-size: clamp(1.25rem, 3.2vw, 1.6rem); }
h3 { font-size: 1.1rem; }
p, ul, ol, dl { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: 0.92em; background: var(--surface-2); padding: 0.1em 0.3em; border-radius: 4px; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: 8px; top: -60px; background: var(--surface); color: var(--text); padding: 10px 14px; z-index: 10; border-radius: 6px; box-shadow: var(--shadow); }
.skip-link:focus { top: 8px; }

/* layout */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 16px; min-height: 60px; }
.logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; }
.logo svg { width: 26px; height: 26px; }
.nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 2px 4px; margin: 0; padding: 0; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; color: var(--text); text-decoration: none; border-radius: 8px; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--primary-soft); }
main { display: block; padding-bottom: 40px; }
.lede { font-size: 1.08rem; color: var(--muted); max-width: 70ch; }
.prose { max-width: 75ch; }
.site-footer { border-top: 1px solid var(--border); background: var(--surface); color: var(--muted); font-size: 0.92rem; padding: 20px 0 28px; }
.site-footer ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.site-footer a { color: var(--muted); display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; }
.breadcrumbs { font-size: 0.9rem; color: var(--muted); margin-top: 14px; }
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0 4px; }
.breadcrumbs li { display: flex; align-items: center; }
.breadcrumbs a { display: inline-flex; align-items: center; min-height: 44px; min-width: 44px; }
.breadcrumbs li + li::before { content: "/"; margin-right: 4px; color: var(--muted); }

/* cards and grids */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin: 0 0 16px; }
.card > h3:first-child, .card > h2:first-child { margin-top: 0; }
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.tile { display: block; text-decoration: none; color: inherit; }
.tile h3 { margin-top: 0; color: var(--link); }
.tile:hover { border-color: var(--primary); }
.list-cols { columns: 2 180px; padding-left: 1.2em; }

/* buttons and forms */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--primary); }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; }
.btn-small { min-height: 44px; padding: 4px 12px; font-size: 0.9rem; }
.btn[disabled], .btn:disabled { opacity: 0.55; cursor: not-allowed; filter: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
label { font-weight: 600; }
input[type=text], input[type=password], input[type=email], input[type=date], input[type=number], input[type=tel], select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  min-height: 44px; padding: 8px 10px; width: 100%; max-width: 100%;
}
textarea { min-height: 80px; resize: vertical; }
input[type=checkbox], input[type=radio] { width: 20px; height: 20px; accent-color: var(--primary); vertical-align: middle; }
input[type=file] { font: inherit; max-width: 100%; color: var(--text); }
input[type=file]::file-selector-button {
  font: inherit; font-weight: 600; min-height: 48px; padding: 8px 18px; margin-right: 12px; border-radius: 8px;
  border: 1px solid var(--primary); background: var(--primary); color: var(--primary-ink); cursor: pointer;
}
[aria-invalid="true"] { border-color: var(--bad) !important; }
.field { margin: 0 0 12px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field.check, label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; }
.field-error { color: var(--bad); font-weight: 600; margin: 4px 0 0; }
.field-warn { color: var(--warn); margin: 4px 0 0; font-size: 0.92rem; }
.hint { color: var(--muted); font-size: 0.92rem; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row > input { flex: 1 1 180px; }

/* tool shell */
.tool { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); margin: 16px 0 24px; }
.tool > h2:first-child { margin-top: 0; }
.privacy-note { display: flex; gap: 10px; align-items: flex-start; background: var(--primary-soft); border-radius: 8px; padding: 10px 12px; font-size: 0.95rem; }
.privacy-note svg { flex: 0 0 20px; width: 20px; height: 20px; margin-top: 2px; fill: none; stroke: var(--primary); stroke-width: 2; }
.picker { border: 2px dashed var(--border); border-radius: 12px; padding: 16px; margin: 12px 0; }
.picker.is-drag { border-color: var(--primary); background: var(--primary-soft); }
.picker-label { display: block; font-size: 1.05rem; margin-bottom: 8px; }
.picker-options { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin-top: 12px; }
.picker-options select { width: auto; min-width: 200px; }
.panel { background: var(--surface-2); border-radius: 10px; padding: 14px; margin: 12px 0; }
.panel h3 { margin-top: 0; }
progress { width: 100%; height: 12px; accent-color: var(--primary); }
.notice { display: flex; gap: 10px; border-radius: 10px; padding: 12px 14px; margin: 12px 0; border: 1px solid var(--border); background: var(--surface-2); }
.notice .icon { flex: 0 0 22px; width: 22px; height: 22px; margin-top: 2px; }
.notice p { margin: 0 0 6px; }
.notice-title { font-weight: 700; }
.notice-warn { background: var(--warn-soft); border-color: var(--warn); }
.notice-error { background: var(--bad-soft); border-color: var(--bad); }
.notice-ok { background: var(--ok-soft); border-color: var(--ok); }
.icon { width: 1.1em; height: 1.1em; vertical-align: -0.18em; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.disclaimer { font-size: 0.9rem; color: var(--muted); margin-top: 12px; }

/* result */
.result-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.result-head h3 { margin: 0; }
.badge { display: inline-block; font-weight: 700; padding: 4px 12px; border-radius: 999px; border: 2px solid currentColor; }
.badge-high { color: var(--ok); background: var(--ok-soft); }
.badge-medium { color: var(--warn); background: var(--warn-soft); }
.badge-low { color: var(--bad); background: var(--bad-soft); }
.badge-none { color: var(--muted); background: var(--surface-2); }
.check-line { font-weight: 600; margin-top: 10px; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px 16px; }
.facts div { min-width: 0; }
.facts dt { font-size: 0.85rem; color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.reasons, .warnings { padding-left: 1.2em; }
.warnings { list-style: none; padding-left: 0; color: var(--warn); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; max-width: 100%; }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { background: var(--surface-2); position: sticky; top: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.desc { min-width: 220px; }
.preview td:first-child { white-space: nowrap; }
tr.row-fail td { background: var(--bad-soft); }
tr.row-fail td:first-child { box-shadow: inset 4px 0 0 var(--bad); }
tr.row-swap td { background: var(--warn-soft); }
tr.row-swap td:first-child { box-shadow: inset 4px 0 0 var(--warn); }
.chk-ok { color: var(--ok); white-space: nowrap; }
.chk-fail { color: var(--bad); font-weight: 700; }
.chk-swap { color: var(--warn); font-weight: 700; }
.chk-na { color: var(--muted); }
.more { margin-top: 8px; }
.locked { margin-top: 12px; border-top: 1px solid var(--border); padding-top: 12px; }
.page-counts { columns: 2 160px; font-size: 0.92rem; color: var(--muted); }
.unlock { background: var(--primary-soft); border-radius: 10px; padding: 12px 14px; }
.unlock-title { font-weight: 700; margin-bottom: 4px; }
.export-options { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: flex-end; }
.export-options select { width: auto; }

/* content blocks */
.steps { padding-left: 1.4em; }
.steps li { margin-bottom: 0.5em; }
details { border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; margin: 0 0 8px; background: var(--surface); }
summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
details[open] summary { border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.callout { border-left: 4px solid var(--primary); background: var(--primary-soft); padding: 10px 14px; border-radius: 0 8px 8px 0; margin: 0 0 1em; }
.meta { color: var(--muted); font-size: 0.9rem; }
.price { font-size: 2rem; font-weight: 800; margin: 0; }
.price small { font-size: 1rem; font-weight: 600; color: var(--muted); }
.pill { display: inline-block; font-size: 0.8rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; background: var(--warn-soft); color: var(--warn); }
.ad-slot[hidden] { display: none !important; }

/* invoice maker */
.inv-tabs { display: flex; gap: 6px; margin: 8px 0 12px; }
.inv-tabs button[aria-selected="true"] { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.segmented { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin: 0 0 12px; }
.segmented label { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 0 14px; cursor: pointer; font-weight: 600; border-right: 1px solid var(--border); }
.segmented label:last-child { border-right: 0; }
.segmented input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented label:has(input:checked) { background: var(--primary); color: var(--primary-ink); }
.segmented label:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: -3px; }
.inv-layout { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }
.inv-form fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin: 0 0 14px; min-width: 0; }
.inv-form legend { font-weight: 700; padding: 0 6px; }
.fields-2 { display: grid; gap: 0 12px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 560px) { .fields-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.item-card { border: 1px solid var(--border); border-radius: 8px; padding: 10px; margin: 0 0 10px; background: var(--surface-2); }
.item-grid { display: grid; gap: 0 10px; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
.item-grid .wide { grid-column: 1 / -1; }
.item-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.totals-table td { border: 0; padding: 4px 8px; }
.inv-preview { background: #fff; color: #111; border: 1px solid var(--border); border-radius: 8px; padding: 16px; font-size: 0.85rem; overflow-x: auto; }
.inv-preview table { font-size: 0.74rem; }
.inv-preview td.right, .inv-preview th.right { white-space: nowrap; }
.inv-preview th, .inv-preview td { border-bottom: 1px solid #ddd; padding: 4px 6px; }
.inv-preview thead th { background: #f1f1f1; color: #111; }
.inv-preview .doc-title { font-size: 1.3rem; font-weight: 800; letter-spacing: 0.04em; margin: 0; }
.inv-preview .muted { color: #555; }
.inv-preview .right { text-align: right; }
.inv-preview .blocks { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 10px 0; }
.inv-preview img { max-height: 60px; max-width: 160px; }
.drafts-list { list-style: none; padding: 0; margin: 0; }
.drafts-list li { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); padding: 8px 0; }
@media (min-width: 960px) {
  .inv-layout { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); align-items: start; }
  .inv-tabs { display: none; }
  .inv-layout > [role="tabpanel"][hidden] { display: block !important; }
  .inv-preview-pane { position: sticky; top: 12px; }
}